T.J. Hammons
Distributed generation, dispersed generation, CHP units, energymarkets, system robustness, fault handling, intentional islanding,energy markets, active loads, demand-side participation, powersystem security, wind energy, decoupling protection, future powersystems, communication
The paper discusses modern power systems as a critical infras- tructure. The expected insertion of distributed generation (DG) in the distribution networks entailed by environmental, regulation and economical aspects will modify the way the entire system is planned and operated. The paper examines how DG will require a more flexible operated system. This situation will emerge through various applications and developments of distribution automation. In addition, DG has already showed some impacts on system secu- rity. This is evaluated. Active user participation in energy markets through activation of distributed energy resources is considered, as is DG towards an effective contribution to power system security and communication requirements and solutions for secure power system operation. Increase of the contribution of dispersed and renewable energy resources (D&RES) in the peak power balance up to 60% in accordance with goals of the European Communities for the year 2010 requires innovative approaches to keep security of the power supply at the current high level. Planning under uncertainty in Denmark for secure reliable electricity supply is also considered.
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